This telephone sprays a custom scent to match what you say to it

If you’re into fashion history, you may know that a man named Paul Poiret is credited with inventing the idea of a signature scent in the early twentieth century. Chanel and Yves Saint Laurent also had a crack at it. And now the good folks at Techpla Lab have incorporated Raspberry Pi 5 into a device which sprays you with the scent it thinks best suits your needs according to what you say to it.

All images belong to Techpla Lab

How does it work?

The Aroma Shooter®2 is responsible for making the smelly bit happen. The scents are loaded into a cylinder which rotates to line up the correct chamber with the spray output on the telephone.

Pick up the receiver and tell the scent telephone what kind of thing you’d like to smell. You could ask it to “spray me with something to help me fall asleep”, or tell it that you’re suffering from hayfever.

The scents are delivered through the little hole indicated in red

A Raspberry Pi 5 inside the device uses a couple of APIs to conjure the magic. Whisper transcribes the user’s spoken commands, and ChatGPT decides which of the preloaded scents is most appropriate in each context.

Multiple languages are supported, and the telephone responds in the language you use, not just in English. French, German, Chinese, and Korean are just a few of the languages the scent telephone understands.

Mid-century makeover

Swoooon

This project was recently given a glow-up by replacing the handset with a shiny red-and-chrome public phone used in the United States in the 1950s. The instruction panel on the front of the telephone — which the first, bright blue, device used to explain the project — has been replaced with the more visual explanation of a flower sitting where the instructions once were. Now users appear to be bending down to smell the flower while their specially chosen aroma fills their nostrils.

Six different scents

Full disclosure: this project incorporates the signature scent concept we introduced earlier in something of a minimalist way. The telephone is provided with six different scents and chooses between spraying the conversationalist with lavender, orange, eucalyptus, peppermint, jasmine, and sandalwood.

The upgraded device with the added flower in use

A cool upgrade would be to enable the device to spray bespoke combinations of the scents. A blend of sandalwood, jasmine, and eucalyptus sounds the most palatable to me. Or, for a brutal but effective wake-up, you could use orange and peppermint to recreate that distinctive “orange juice after brushing your teeth” sensation.

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